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Finding the Fourth Proportional to 416,641.24, 625,156.26 and 248,156.92

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Solution

The fourth proportional to 416,641.24, 625,156.26 and 248,156.92 is: 372,351.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,641.24 : 625,156.26 = 248,156.92 : x
  2. Step 2: Convert to fraction form
    416,641.24/625,156.26 = 248,156.92/x
  3. Step 3: Cross multiply
    416,641.24x = 625,156.26 × 248,156.92
  4. Step 4: Simplify right side
    416,641.24x = 155,136,852,000.32
  5. Step 5: Solve for x
    x = 155,136,852,000.32/416,641.24
  6. Step 6: Final answer
    x = 372,351.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.